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						<h1>Source for file PelDataWindow.php</h1>
<p>Documentation is available at <a href="../PEL/_PelDataWindow.php.html">PelDataWindow.php</a></p>
<div class="src-code">
<div class="src-code"><ol><li><div class="src-line"><a name="a1"></a><span class="src-php">&lt;?php</span></div></li>
<li><div class="src-line"><a name="a2"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a3"></a><span class="src-comm">/*&nbsp;&nbsp;PEL:&nbsp;PHP&nbsp;Exif&nbsp;Library.&nbsp;&nbsp;A&nbsp;library&nbsp;with&nbsp;support&nbsp;for&nbsp;reading&nbsp;and</span></div></li>
<li><div class="src-line"><a name="a4"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;writing&nbsp;all&nbsp;Exif&nbsp;headers&nbsp;in&nbsp;JPEG&nbsp;and&nbsp;TIFF&nbsp;images&nbsp;using&nbsp;PHP.</span></div></li>
<li><div class="src-line"><a name="a5"></a><span class="src-comm">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a6"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;Copyright&nbsp;(C)&nbsp;2004,&nbsp;2005&nbsp;&nbsp;Martin&nbsp;Geisler.</span></div></li>
<li><div class="src-line"><a name="a7"></a><span class="src-comm">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a8"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;This&nbsp;program&nbsp;is&nbsp;free&nbsp;software;&nbsp;you&nbsp;can&nbsp;redistribute&nbsp;it&nbsp;and/or&nbsp;modify</span></div></li>
<li><div class="src-line"><a name="a9"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;it&nbsp;under&nbsp;the&nbsp;terms&nbsp;of&nbsp;the&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License&nbsp;as&nbsp;published&nbsp;by</span></div></li>
<li><div class="src-line"><a name="a10"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;the&nbsp;Free&nbsp;Software&nbsp;Foundation;&nbsp;either&nbsp;version&nbsp;2&nbsp;of&nbsp;the&nbsp;License,&nbsp;or</span></div></li>
<li><div class="src-line"><a name="a11"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;(at&nbsp;your&nbsp;option)&nbsp;any&nbsp;later&nbsp;version.</span></div></li>
<li><div class="src-line"><a name="a12"></a><span class="src-comm">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a13"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;This&nbsp;program&nbsp;is&nbsp;distributed&nbsp;in&nbsp;the&nbsp;hope&nbsp;that&nbsp;it&nbsp;will&nbsp;be&nbsp;useful,</span></div></li>
<li><div class="src-line"><a name="a14"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;but&nbsp;WITHOUT&nbsp;ANY&nbsp;WARRANTY;&nbsp;without&nbsp;even&nbsp;the&nbsp;implied&nbsp;warranty&nbsp;of</span></div></li>
<li><div class="src-line"><a name="a15"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;MERCHANTABILITY&nbsp;or&nbsp;FITNESS&nbsp;FOR&nbsp;A&nbsp;PARTICULAR&nbsp;PURPOSE.&nbsp;&nbsp;See&nbsp;the</span></div></li>
<li><div class="src-line"><a name="a16"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License&nbsp;for&nbsp;more&nbsp;details.</span></div></li>
<li><div class="src-line"><a name="a17"></a><span class="src-comm">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a18"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;You&nbsp;should&nbsp;have&nbsp;received&nbsp;a&nbsp;copy&nbsp;of&nbsp;the&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License</span></div></li>
<li><div class="src-line"><a name="a19"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;along&nbsp;with&nbsp;this&nbsp;program&nbsp;in&nbsp;the&nbsp;file&nbsp;COPYING;&nbsp;if&nbsp;not,&nbsp;write&nbsp;to&nbsp;the</span></div></li>
<li><div class="src-line"><a name="a20"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;Free&nbsp;Software&nbsp;Foundation,&nbsp;Inc.,&nbsp;51&nbsp;Franklin&nbsp;St,&nbsp;Fifth&nbsp;Floor,</span></div></li>
<li><div class="src-line"><a name="a21"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;Boston,&nbsp;MA&nbsp;02110-1301&nbsp;USA</span></div></li>
<li><div class="src-line"><a name="a22"></a><span class="src-comm">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a23"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a24"></a><span class="src-doc">/*&nbsp;$Id:&nbsp;PelDataWindow.php&nbsp;387&nbsp;2005-10-05&nbsp;11:02:52Z&nbsp;mgeisler&nbsp;$&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a25"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a26"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a27"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a28"></a><span class="src-doc">&nbsp;*&nbsp;A&nbsp;container&nbsp;for&nbsp;bytes&nbsp;with&nbsp;a&nbsp;limited&nbsp;window&nbsp;of&nbsp;accessible&nbsp;bytes.</span></div></li>
<li><div class="src-line"><a name="a29"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a30"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@author</span><span class="src-doc">&nbsp;Martin&nbsp;Geisler&nbsp;&lt;mgeisler@users.sourceforge.net&gt;</span></div></li>
<li><div class="src-line"><a name="a31"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@version</span><span class="src-doc">&nbsp;$Revision:&nbsp;387&nbsp;$</span></div></li>
<li><div class="src-line"><a name="a32"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-tag">@date</span><span class="src-doc">&nbsp;$Date:&nbsp;2005-10-05&nbsp;13:02:52&nbsp;+0200&nbsp;(Wed,&nbsp;05&nbsp;Oct&nbsp;2005)&nbsp;$</span></div></li>
<li><div class="src-line"><a name="a33"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@license</span><span class="src-doc">&nbsp;http://www.gnu.org/licenses/gpl.html&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License&nbsp;(GPL)</span></div></li>
<li><div class="src-line"><a name="a34"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@package</span><span class="src-doc">&nbsp;PEL</span></div></li>
<li><div class="src-line"><a name="a35"></a><span class="src-doc">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a36"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a37"></a><span class="src-doc">/**#@+&nbsp;Required&nbsp;class&nbsp;definitions.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a38"></a><span class="src-inc">require_once</span><span class="src-sym">(</span><span class="src-str">'PelException.php'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a39"></a><span class="src-inc">require_once</span><span class="src-sym">(</span><span class="src-str">'PelConvert.php'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a40"></a><span class="src-doc-close-template">/**#@-*/</span></div></li>
<li><div class="src-line"><a name="a41"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a42"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a43"></a><span class="src-doc-template">&nbsp;*&nbsp;An&nbsp;exception&nbsp;thrown&nbsp;when&nbsp;an&nbsp;invalid&nbsp;offset&nbsp;is&nbsp;encountered.</span></div></li>
<li><div class="src-line"><a name="a44"></a><span class="src-doc-template">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a45"></a><span class="src-doc-template">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@package</span><span class="src-doc-template">&nbsp;PEL</span></div></li>
<li><div class="src-line"><a name="a46"></a><span class="src-doc-template">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@subpackage</span><span class="src-doc-template">&nbsp;Exception</span></div></li>
<li><div class="src-line"><a name="a48"></a><span class="src-doc-template">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a49"></a><span class="src-key">class&nbsp;</span><a href="../PEL/Exception/PelDataWindowOffsetException.html">PelDataWindowOffsetException</a>&nbsp;<span class="src-key">extends&nbsp;</span><a href="../PEL/Exception/PelException.html">PelException</a>&nbsp;<span class="src-sym">{</span><span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a50"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a51"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a52"></a><span class="src-doc">&nbsp;*&nbsp;An&nbsp;exception&nbsp;thrown&nbsp;when&nbsp;an&nbsp;invalid&nbsp;window&nbsp;is&nbsp;encountered.</span></div></li>
<li><div class="src-line"><a name="a53"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a54"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@package</span><span class="src-doc">&nbsp;PEL</span></div></li>
<li><div class="src-line"><a name="a55"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@subpackage</span><span class="src-doc">&nbsp;Exception</span></div></li>
<li><div class="src-line"><a name="a56"></a><span class="src-doc">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a57"></a><span class="src-key">class&nbsp;</span><a href="../PEL/Exception/PelDataWindowWindowException.html">PelDataWindowWindowException</a>&nbsp;<span class="src-key">extends&nbsp;</span><a href="../PEL/Exception/PelException.html">PelException</a>&nbsp;<span class="src-sym">{</span><span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a58"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a59"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a60"></a><span class="src-doc">&nbsp;*&nbsp;The&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a61"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a62"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@package</span><span class="src-doc">&nbsp;PEL</span></div></li>
<li><div class="src-line"><a name="a63"></a><span class="src-doc">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a64"></a><span class="src-key">class&nbsp;</span><a href="../PEL/PelDataWindow.html">PelDataWindow</a>&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a65"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a66"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a67"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;The&nbsp;data&nbsp;held&nbsp;by&nbsp;this&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a68"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a69"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;The&nbsp;string&nbsp;can&nbsp;contain&nbsp;any&nbsp;kind&nbsp;of&nbsp;data,&nbsp;including&nbsp;binary&nbsp;data.</span></div></li>
<li><div class="src-line"><a name="a70"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a71"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@var&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a72"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a73"></a>&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-var">$data&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a74"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a75"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a76"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;The&nbsp;byte&nbsp;order&nbsp;currently&nbsp;in&nbsp;use.</span></div></li>
<li><div class="src-line"><a name="a77"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a78"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;This&nbsp;will&nbsp;be&nbsp;the&nbsp;byte&nbsp;order&nbsp;used&nbsp;when&nbsp;data&nbsp;is&nbsp;read&nbsp;using&nbsp;the&nbsp;for</span></div></li>
<li><div class="src-line"><a name="a79"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;example&nbsp;the&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;getShort}</span><span class="src-doc">&nbsp;function.&nbsp;&nbsp;It&nbsp;must&nbsp;be&nbsp;one&nbsp;of&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;}</span></div></li>
<li><div class="src-line"><a name="a80"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;PelConvert::LITTLE_ENDIAN}&nbsp;and&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;PelConvert::BIG_ENDIAN}</span><span class="src-doc">.</span></div></li>
<li><div class="src-line"><a name="a81"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a82"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@var&nbsp;</span><span class="src-doc-type">PelByteOrder&nbsp;</span></div></li>
<li><div class="src-line"><a name="a83"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@see</span><span class="src-doc">&nbsp;setByteOrder,&nbsp;getByteOrder</span></div></li>
<li><div class="src-line"><a name="a84"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a85"></a>&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-var">$order</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a86"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a87"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a88"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;The&nbsp;start&nbsp;of&nbsp;the&nbsp;current&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a89"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a90"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;All&nbsp;offsets&nbsp;used&nbsp;for&nbsp;access&nbsp;into&nbsp;the&nbsp;data&nbsp;will&nbsp;count&nbsp;from&nbsp;this</span></div></li>
<li><div class="src-line"><a name="a91"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;offset,&nbsp;effectively&nbsp;limiting&nbsp;access&nbsp;to&nbsp;a&nbsp;window&nbsp;starting&nbsp;at&nbsp;this</span></div></li>
<li><div class="src-line"><a name="a92"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;byte.</span></div></li>
<li><div class="src-line"><a name="a93"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a94"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@var&nbsp;</span><span class="src-doc-type">int&nbsp;</span></div></li>
<li><div class="src-line"><a name="a95"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@see</span><span class="src-doc">&nbsp;setWindowStart</span></div></li>
<li><div class="src-line"><a name="a96"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a97"></a>&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-var">$start&nbsp;&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a98"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a99"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a100"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;The&nbsp;size&nbsp;of&nbsp;the&nbsp;current&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a101"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a102"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;All&nbsp;offsets&nbsp;used&nbsp;for&nbsp;access&nbsp;into&nbsp;the&nbsp;data&nbsp;will&nbsp;be&nbsp;limited&nbsp;by&nbsp;this</span></div></li>
<li><div class="src-line"><a name="a103"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;variable.&nbsp;&nbsp;A&nbsp;valid&nbsp;offset&nbsp;must&nbsp;be&nbsp;strictly&nbsp;less&nbsp;than&nbsp;this</span></div></li>
<li><div class="src-line"><a name="a104"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;variable.</span></div></li>
<li><div class="src-line"><a name="a105"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a106"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@var&nbsp;</span><span class="src-doc-type">int&nbsp;</span></div></li>
<li><div class="src-line"><a name="a107"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@see</span><span class="src-doc">&nbsp;setWindowSize</span></div></li>
<li><div class="src-line"><a name="a108"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a109"></a>&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-var">$size&nbsp;&nbsp;&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a110"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a111"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a112"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a113"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Construct&nbsp;a&nbsp;new&nbsp;data&nbsp;window&nbsp;with&nbsp;the&nbsp;data&nbsp;supplied.</span></div></li>
<li><div class="src-line"><a name="a114"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a115"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">the&nbsp;data&nbsp;that&nbsp;this&nbsp;window&nbsp;will&nbsp;contain.&nbsp;&nbsp;The&nbsp;data</span></div></li>
<li><div class="src-line"><a name="a116"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;will&nbsp;be&nbsp;copied&nbsp;into&nbsp;the&nbsp;new&nbsp;data&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a117"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a118"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">boolean&nbsp;</span><span class="src-doc">the&nbsp;initial&nbsp;byte&nbsp;order&nbsp;of&nbsp;the&nbsp;window.&nbsp;&nbsp;This&nbsp;must</span></div></li>
<li><div class="src-line"><a name="a119"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;be&nbsp;either&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;PelConvert::LITTLE_ENDIAN}</span><span class="src-doc">&nbsp;or&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;}</span></div></li>
<li><div class="src-line"><a name="a120"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;PelConvert::BIG_ENDIAN}.&nbsp;&nbsp;This&nbsp;will&nbsp;be&nbsp;used&nbsp;when&nbsp;integers&nbsp;are</span></div></li>
<li><div class="src-line"><a name="a121"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;read&nbsp;from&nbsp;the&nbsp;data,&nbsp;and&nbsp;it&nbsp;can&nbsp;be&nbsp;changed&nbsp;later&nbsp;with&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;}</span></div></li>
<li><div class="src-line"><a name="a122"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;setByteOrder()}.</span></div></li>
<li><div class="src-line"><a name="a123"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a124"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#method__construct">__construct</a><span class="src-sym">(</span><span class="src-var">$d&nbsp;</span>=&nbsp;<span class="src-str">''</span><span class="src-sym">,&nbsp;</span><span class="src-var">$e&nbsp;</span>=&nbsp;<span class="src-id">PelConvert</span><span class="src-sym">::</span><span class="src-id">LITTLE_ENDIAN</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a125"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">data&nbsp;&nbsp;</span>=&nbsp;<span class="src-var">$d</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a126"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">order&nbsp;</span>=&nbsp;<span class="src-var">$e</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a127"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size&nbsp;&nbsp;</span>=&nbsp;<a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$d</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a128"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a129"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a130"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a131"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a132"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;the&nbsp;size&nbsp;of&nbsp;the&nbsp;data&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a133"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a134"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">the&nbsp;number&nbsp;of&nbsp;bytes&nbsp;covered&nbsp;by&nbsp;the&nbsp;window.&nbsp;&nbsp;The</span></div></li>
<li><div class="src-line"><a name="a135"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;allowed&nbsp;offsets&nbsp;go&nbsp;from&nbsp;0&nbsp;up&nbsp;to&nbsp;this&nbsp;number&nbsp;minus&nbsp;one.</span></div></li>
<li><div class="src-line"><a name="a136"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a137"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@see</span><span class="src-doc">&nbsp;getBytes()</span></div></li>
<li><div class="src-line"><a name="a138"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a139"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodgetSize">getSize</a><span class="src-sym">(</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a140"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a141"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a142"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a143"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a144"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a145"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Change&nbsp;the&nbsp;byte&nbsp;order&nbsp;of&nbsp;the&nbsp;data.</span></div></li>
<li><div class="src-line"><a name="a146"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a147"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">PelByteOrder&nbsp;</span><span class="src-doc">the&nbsp;new&nbsp;byte&nbsp;order.&nbsp;&nbsp;This&nbsp;must&nbsp;be&nbsp;either</span></div></li>
<li><div class="src-line"><a name="a148"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;PelConvert::LITTLE_ENDIAN}</span><span class="src-doc">&nbsp;or&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;}</span></div></li>
<li><div class="src-line"><a name="a149"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;PelConvert::BIG_ENDIAN}.</span></div></li>
<li><div class="src-line"><a name="a150"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a151"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodsetByteOrder">setByteOrder</a><span class="src-sym">(</span><span class="src-var">$o</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a152"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">order&nbsp;</span>=&nbsp;<span class="src-var">$o</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a153"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a154"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a155"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a156"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a157"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Get&nbsp;the&nbsp;currently&nbsp;used&nbsp;byte&nbsp;order.</span></div></li>
<li><div class="src-line"><a name="a158"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a159"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">PelByteOrder&nbsp;</span><span class="src-doc">this&nbsp;will&nbsp;be&nbsp;either&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;}</span></div></li>
<li><div class="src-line"><a name="a160"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;PelConvert::LITTLE_ENDIAN}&nbsp;or&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;PelConvert::BIG_ENDIAN}</span><span class="src-doc">.</span></div></li>
<li><div class="src-line"><a name="a161"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a162"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodgetByteOrder">getByteOrder</a><span class="src-sym">(</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a163"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">order</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a164"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a165"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a166"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a167"></a>&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Move&nbsp;the&nbsp;start&nbsp;of&nbsp;the&nbsp;window&nbsp;forward.</span></div></li>
<li><div class="src-line"><a name="a168"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a169"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;*&nbsp;@param&nbsp;int&nbsp;the&nbsp;new&nbsp;start&nbsp;of&nbsp;the&nbsp;window.&nbsp;&nbsp;All&nbsp;new&nbsp;offsets&nbsp;will&nbsp;be</span></div></li>
<li><div class="src-line"><a name="a170"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;*&nbsp;calculated&nbsp;from&nbsp;this&nbsp;new&nbsp;start&nbsp;offset,&nbsp;and&nbsp;the&nbsp;size&nbsp;of&nbsp;the&nbsp;window</span></div></li>
<li><div class="src-line"><a name="a171"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;*&nbsp;will&nbsp;shrink&nbsp;to&nbsp;keep&nbsp;the&nbsp;end&nbsp;of&nbsp;the&nbsp;window&nbsp;in&nbsp;place.</span></div></li>
<li><div class="src-line"><a name="a172"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a173"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodsetWindowStart">setWindowStart</a><span class="src-sym">(</span><span class="src-var">$start</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a174"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$start&nbsp;</span>&lt;&nbsp;<span class="src-num">0&nbsp;</span>||&nbsp;<span class="src-var">$start&nbsp;</span>&gt;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a175"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../PEL/Exception/PelDataWindowWindowException.html">PelDataWindowWindowException</a></span><span class="src-sym">(</span><span class="src-str">'Window&nbsp;[%d,&nbsp;%d]&nbsp;does&nbsp;'&nbsp;</span>.</div></li>
<li><div class="src-line"><a name="a176"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-str">'not&nbsp;fit&nbsp;in&nbsp;window&nbsp;[0,&nbsp;%d]'</span><span class="src-sym">,</span></div></li>
<li><div class="src-line"><a name="a177"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$start</span><span class="src-sym">,&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size</span><span class="src-sym">,&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a178"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a179"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">start&nbsp;</span>+=&nbsp;<span class="src-var">$start</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a180"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size&nbsp;&nbsp;</span>-=&nbsp;<span class="src-var">$start</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a181"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a182"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a183"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a184"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a185"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Adjust&nbsp;the&nbsp;size&nbsp;of&nbsp;the&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a186"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a187"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;The&nbsp;size&nbsp;can&nbsp;only&nbsp;be&nbsp;made&nbsp;smaller.</span></div></li>
<li><div class="src-line"><a name="a188"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a189"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">the&nbsp;desired&nbsp;size&nbsp;of&nbsp;the&nbsp;window.&nbsp;&nbsp;If&nbsp;the&nbsp;argument&nbsp;is</span></div></li>
<li><div class="src-line"><a name="a190"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;negative,&nbsp;the&nbsp;window&nbsp;will&nbsp;be&nbsp;shrunk&nbsp;by&nbsp;the&nbsp;argument.</span></div></li>
<li><div class="src-line"><a name="a191"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a192"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodsetWindowSize">setWindowSize</a><span class="src-sym">(</span><span class="src-var">$size</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a193"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$size&nbsp;</span>&lt;&nbsp;<span class="src-num">0</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a194"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$size&nbsp;</span>+=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a195"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a196"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$size&nbsp;</span>&lt;&nbsp;<span class="src-num">0&nbsp;</span>||&nbsp;<span class="src-var">$size&nbsp;</span>&gt;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a197"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../PEL/Exception/PelDataWindowWindowException.html">PelDataWindowWindowException</a></span><span class="src-sym">(</span><span class="src-str">'Window&nbsp;[0,&nbsp;%d]&nbsp;'&nbsp;</span>.</div></li>
<li><div class="src-line"><a name="a198"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-str">'does&nbsp;not&nbsp;fit&nbsp;in&nbsp;window&nbsp;[0,&nbsp;%d]'</span><span class="src-sym">,</span></div></li>
<li><div class="src-line"><a name="a199"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$size</span><span class="src-sym">,&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a200"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size&nbsp;</span>=&nbsp;<span class="src-var">$size</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a201"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a202"></a>&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a203"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a204"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a205"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Make&nbsp;a&nbsp;new&nbsp;data&nbsp;window&nbsp;with&nbsp;the&nbsp;same&nbsp;data&nbsp;as&nbsp;the&nbsp;this&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a206"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a207"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">mixed&nbsp;</span><span class="src-doc">if&nbsp;an&nbsp;integer&nbsp;is&nbsp;supplied,&nbsp;then&nbsp;it&nbsp;will&nbsp;be&nbsp;the&nbsp;start</span></div></li>
<li><div class="src-line"><a name="a208"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;of&nbsp;the&nbsp;window&nbsp;in&nbsp;the&nbsp;clone.&nbsp;&nbsp;If&nbsp;left&nbsp;unspecified,&nbsp;then&nbsp;the&nbsp;clone</span></div></li>
<li><div class="src-line"><a name="a209"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;will&nbsp;inherit&nbsp;the&nbsp;start&nbsp;from&nbsp;this&nbsp;object.</span></div></li>
<li><div class="src-line"><a name="a210"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a211"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">mixed&nbsp;</span><span class="src-doc">if&nbsp;an&nbsp;integer&nbsp;is&nbsp;supplied,&nbsp;then&nbsp;it&nbsp;will&nbsp;be&nbsp;the&nbsp;size</span></div></li>
<li><div class="src-line"><a name="a212"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;of&nbsp;the&nbsp;window&nbsp;in&nbsp;the&nbsp;clone.&nbsp;&nbsp;If&nbsp;left&nbsp;unspecified,&nbsp;then&nbsp;the&nbsp;clone</span></div></li>
<li><div class="src-line"><a name="a213"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;will&nbsp;inherit&nbsp;the&nbsp;size&nbsp;from&nbsp;this&nbsp;object.</span></div></li>
<li><div class="src-line"><a name="a214"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a215"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">PelDataWindow&nbsp;</span><span class="src-doc">a&nbsp;new&nbsp;window&nbsp;that&nbsp;operates&nbsp;on&nbsp;the&nbsp;same&nbsp;data</span></div></li>
<li><div class="src-line"><a name="a216"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;as&nbsp;this&nbsp;window,&nbsp;but&nbsp;(optionally)&nbsp;with&nbsp;a&nbsp;smaller&nbsp;window&nbsp;size.</span></div></li>
<li><div class="src-line"><a name="a217"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a218"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodgetClone">getClone</a><span class="src-sym">(</span><span class="src-var">$start&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">,&nbsp;</span><span class="src-var">$size&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a219"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$c&nbsp;</span>=&nbsp;<span class="src-key">clone&nbsp;</span><span class="src-var">$this</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a220"></a>&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a221"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/is_int">is_int</a><span class="src-sym">(</span><span class="src-var">$start</span><span class="src-sym">))</span></div></li>
<li><div class="src-line"><a name="a222"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$c</span><span class="src-sym">-&gt;</span><span class="src-id">setWindowStart</span><span class="src-sym">(</span><span class="src-var">$start</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a223"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a224"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/is_int">is_int</a><span class="src-sym">(</span><span class="src-var">$size</span><span class="src-sym">))</span></div></li>
<li><div class="src-line"><a name="a225"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$c</span><span class="src-sym">-&gt;</span><span class="src-id">setWindowSize</span><span class="src-sym">(</span><span class="src-var">$size</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a226"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a227"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$c</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a228"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a229"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a230"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a231"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a232"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Validate&nbsp;an&nbsp;offset&nbsp;against&nbsp;the&nbsp;current&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a233"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a234"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">the&nbsp;offset&nbsp;to&nbsp;be&nbsp;validated.&nbsp;&nbsp;If&nbsp;the&nbsp;offset&nbsp;is&nbsp;negative</span></div></li>
<li><div class="src-line"><a name="a235"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;or&nbsp;if&nbsp;it&nbsp;is&nbsp;greater&nbsp;than&nbsp;or&nbsp;equal&nbsp;to&nbsp;the&nbsp;current&nbsp;window&nbsp;size,</span></div></li>
<li><div class="src-line"><a name="a236"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;then&nbsp;a&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;PelDataWindowOffsetException}</span><span class="src-doc">&nbsp;is&nbsp;thrown.</span></div></li>
<li><div class="src-line"><a name="a237"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a238"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">void&nbsp;</span><span class="src-doc">if&nbsp;the&nbsp;offset&nbsp;is&nbsp;valid&nbsp;nothing&nbsp;is&nbsp;returned,&nbsp;if&nbsp;it&nbsp;is</span></div></li>
<li><div class="src-line"><a name="a239"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;invalid&nbsp;a&nbsp;new&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;PelDataWindowOffsetException}</span><span class="src-doc">&nbsp;is&nbsp;thrown.</span></div></li>
<li><div class="src-line"><a name="a240"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a241"></a>&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">function&nbsp;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$o</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a242"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$o&nbsp;</span>&lt;&nbsp;<span class="src-num">0&nbsp;</span>||&nbsp;<span class="src-var">$o&nbsp;</span>&gt;=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a243"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../PEL/Exception/PelDataWindowOffsetException.html">PelDataWindowOffsetException</a></span><span class="src-sym">(</span><span class="src-str">'Offset&nbsp;%d&nbsp;not&nbsp;within&nbsp;[%d,&nbsp;%d]'</span><span class="src-sym">,</span></div></li>
<li><div class="src-line"><a name="a244"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$o</span><span class="src-sym">,&nbsp;</span><span class="src-num">0</span><span class="src-sym">,&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size</span>-<span class="src-num">1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a245"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a246"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a247"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a248"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a249"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Return&nbsp;some&nbsp;or&nbsp;all&nbsp;bytes&nbsp;visible&nbsp;in&nbsp;the&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a250"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a251"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;This&nbsp;method&nbsp;works&nbsp;just&nbsp;like&nbsp;the&nbsp;standard&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;substr()}</span></div></li>
<li><div class="src-line"><a name="a252"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;function&nbsp;in&nbsp;PHP&nbsp;with&nbsp;the&nbsp;exception&nbsp;that&nbsp;it&nbsp;works&nbsp;within&nbsp;the</span></div></li>
<li><div class="src-line"><a name="a253"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;window&nbsp;of&nbsp;accessible&nbsp;bytes&nbsp;and&nbsp;does&nbsp;strict&nbsp;range&nbsp;checking.</span></div></li>
<li><div class="src-line"><a name="a254"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span></div></li>
<li><div class="src-line"><a name="a255"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">the&nbsp;offset&nbsp;to&nbsp;the&nbsp;first&nbsp;byte&nbsp;returned.&nbsp;&nbsp;If&nbsp;a&nbsp;negative</span></div></li>
<li><div class="src-line"><a name="a256"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;number&nbsp;is&nbsp;given,&nbsp;then&nbsp;the&nbsp;counting&nbsp;will&nbsp;be&nbsp;from&nbsp;the&nbsp;end&nbsp;of&nbsp;the</span></div></li>
<li><div class="src-line"><a name="a257"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;window.&nbsp;&nbsp;Invalid&nbsp;offsets&nbsp;will&nbsp;result&nbsp;in&nbsp;a&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;}</span></div></li>
<li><div class="src-line"><a name="a258"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;PelDataWindowOffsetException}&nbsp;being&nbsp;thrown.</span></div></li>
<li><div class="src-line"><a name="a259"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a260"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">the&nbsp;size&nbsp;of&nbsp;the&nbsp;sub-window.&nbsp;&nbsp;If&nbsp;a&nbsp;negative&nbsp;number&nbsp;is</span></div></li>
<li><div class="src-line"><a name="a261"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;given,&nbsp;then&nbsp;that&nbsp;many&nbsp;bytes&nbsp;will&nbsp;be&nbsp;omitted&nbsp;from&nbsp;the&nbsp;result.</span></div></li>
<li><div class="src-line"><a name="a262"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a263"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">a&nbsp;subset&nbsp;of&nbsp;the&nbsp;bytes&nbsp;in&nbsp;the&nbsp;window.&nbsp;&nbsp;This&nbsp;will</span></div></li>
<li><div class="src-line"><a name="a264"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;always&nbsp;return&nbsp;no&nbsp;more&nbsp;than&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;getSize()}</span><span class="src-doc">&nbsp;bytes.</span></div></li>
<li><div class="src-line"><a name="a265"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a266"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodgetBytes">getBytes</a><span class="src-sym">(</span><span class="src-var">$start&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">,&nbsp;</span><span class="src-var">$size&nbsp;</span>=&nbsp;<span class="src-id">false</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a267"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/is_int">is_int</a><span class="src-sym">(</span><span class="src-var">$start</span><span class="src-sym">))&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a268"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$start&nbsp;</span>&lt;&nbsp;<span class="src-num">0</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a269"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$start&nbsp;</span>+=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a270"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a271"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$start</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a272"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span><span class="src-key">else&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a273"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$start&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a274"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a275"></a>&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a276"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="http://www.php.net/is_int">is_int</a><span class="src-sym">(</span><span class="src-var">$size</span><span class="src-sym">))&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a277"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$size&nbsp;</span>&lt;=&nbsp;<span class="src-num">0</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a278"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$size&nbsp;</span>+=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size&nbsp;</span>-&nbsp;<span class="src-var">$start</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a279"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a280"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$start</span>+<span class="src-var">$size</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a281"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span><span class="src-key">else&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a282"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$size&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">size&nbsp;</span>-&nbsp;<span class="src-var">$start</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a283"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a284"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a285"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><a href="http://www.php.net/substr">substr</a><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">data</span><span class="src-sym">,&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">start&nbsp;</span>+&nbsp;<span class="src-var">$start</span><span class="src-sym">,&nbsp;</span><span class="src-var">$size</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a286"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a287"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a288"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a289"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a290"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Return&nbsp;an&nbsp;unsigned&nbsp;byte&nbsp;from&nbsp;the&nbsp;data.</span></div></li>
<li><div class="src-line"><a name="a291"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a292"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">the&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;&nbsp;An&nbsp;offset&nbsp;of&nbsp;zero&nbsp;will</span></div></li>
<li><div class="src-line"><a name="a293"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;return&nbsp;the&nbsp;first&nbsp;byte&nbsp;in&nbsp;the&nbsp;current&nbsp;allowed&nbsp;window.&nbsp;&nbsp;The&nbsp;last</span></div></li>
<li><div class="src-line"><a name="a294"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;valid&nbsp;offset&nbsp;is&nbsp;equal&nbsp;to&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;getSize()}</span><span class="src-doc">-1.&nbsp;&nbsp;Invalid&nbsp;offsets</span></div></li>
<li><div class="src-line"><a name="a295"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;will&nbsp;result&nbsp;in&nbsp;a&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;PelDataWindowOffsetException}</span><span class="src-doc">&nbsp;being</span></div></li>
<li><div class="src-line"><a name="a296"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;thrown.</span></div></li>
<li><div class="src-line"><a name="a297"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a298"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc">&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">&nbsp;the&nbsp;unsigned&nbsp;byte&nbsp;found&nbsp;at&nbsp;offset.</span></div></li>
<li><div class="src-line"><a name="a299"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a300"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodgetByte">getByte</a><span class="src-sym">(</span><span class="src-var">$o&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a301"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Validate&nbsp;the&nbsp;offset&nbsp;---&nbsp;this&nbsp;throws&nbsp;an&nbsp;exception&nbsp;if&nbsp;offset&nbsp;is</span></div></li>
<li><div class="src-line"><a name="a302"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;out&nbsp;of&nbsp;range.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a303"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$o</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a304"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a305"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Translate&nbsp;the&nbsp;offset&nbsp;into&nbsp;an&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a306"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$o&nbsp;</span>+=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">start</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a307"></a>&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a308"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Return&nbsp;an&nbsp;unsigned&nbsp;byte.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a309"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id"><a href="../PEL/PelConvert.html">PelConvert</a></span><span class="src-sym">::</span><a href="../PEL/PelConvert.html#methodbytesToByte">bytesToByte</a><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">data</span><span class="src-sym">,&nbsp;</span><span class="src-var">$o</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a310"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a311"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a312"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a313"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a314"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Return&nbsp;a&nbsp;signed&nbsp;byte&nbsp;from&nbsp;the&nbsp;data.</span></div></li>
<li><div class="src-line"><a name="a315"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a316"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">the&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;&nbsp;An&nbsp;offset&nbsp;of&nbsp;zero&nbsp;will</span></div></li>
<li><div class="src-line"><a name="a317"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;return&nbsp;the&nbsp;first&nbsp;byte&nbsp;in&nbsp;the&nbsp;current&nbsp;allowed&nbsp;window.&nbsp;&nbsp;The&nbsp;last</span></div></li>
<li><div class="src-line"><a name="a318"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;valid&nbsp;offset&nbsp;is&nbsp;equal&nbsp;to&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;getSize()}</span><span class="src-doc">-1.&nbsp;&nbsp;Invalid&nbsp;offsets</span></div></li>
<li><div class="src-line"><a name="a319"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;will&nbsp;result&nbsp;in&nbsp;a&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;PelDataWindowOffsetException}</span><span class="src-doc">&nbsp;being</span></div></li>
<li><div class="src-line"><a name="a320"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;thrown.</span></div></li>
<li><div class="src-line"><a name="a321"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a322"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc">&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">&nbsp;the&nbsp;signed&nbsp;byte&nbsp;found&nbsp;at&nbsp;offset.</span></div></li>
<li><div class="src-line"><a name="a323"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a324"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodgetSByte">getSByte</a><span class="src-sym">(</span><span class="src-var">$o&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a325"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Validate&nbsp;the&nbsp;offset&nbsp;---&nbsp;this&nbsp;throws&nbsp;an&nbsp;exception&nbsp;if&nbsp;offset&nbsp;is</span></div></li>
<li><div class="src-line"><a name="a326"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;out&nbsp;of&nbsp;range.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a327"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$o</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a328"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a329"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Translate&nbsp;the&nbsp;offset&nbsp;into&nbsp;an&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a330"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$o&nbsp;</span>+=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">start</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a331"></a>&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a332"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Return&nbsp;a&nbsp;signed&nbsp;byte.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a333"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id"><a href="../PEL/PelConvert.html">PelConvert</a></span><span class="src-sym">::</span><a href="../PEL/PelConvert.html#methodbytesToSByte">bytesToSByte</a><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">data</span><span class="src-sym">,&nbsp;</span><span class="src-var">$o</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a334"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a335"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a336"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a337"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a338"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Return&nbsp;an&nbsp;unsigned&nbsp;short&nbsp;read&nbsp;from&nbsp;the&nbsp;data.</span></div></li>
<li><div class="src-line"><a name="a339"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a340"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">the&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;&nbsp;An&nbsp;offset&nbsp;of&nbsp;zero&nbsp;will</span></div></li>
<li><div class="src-line"><a name="a341"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;return&nbsp;the&nbsp;first&nbsp;short&nbsp;available&nbsp;in&nbsp;the&nbsp;current&nbsp;allowed&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a342"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;The&nbsp;last&nbsp;valid&nbsp;offset&nbsp;is&nbsp;equal&nbsp;to&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;getSize()}</span><span class="src-doc">-2.&nbsp;&nbsp;Invalid</span></div></li>
<li><div class="src-line"><a name="a343"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;offsets&nbsp;will&nbsp;result&nbsp;in&nbsp;a&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;PelDataWindowOffsetException}</span></div></li>
<li><div class="src-line"><a name="a344"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;being&nbsp;thrown.</span></div></li>
<li><div class="src-line"><a name="a345"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a346"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc">&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">&nbsp;the&nbsp;unsigned&nbsp;short&nbsp;found&nbsp;at&nbsp;offset.</span></div></li>
<li><div class="src-line"><a name="a347"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a348"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodgetShort">getShort</a><span class="src-sym">(</span><span class="src-var">$o&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a349"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Validate&nbsp;the&nbsp;offset+1&nbsp;to&nbsp;see&nbsp;if&nbsp;we&nbsp;can&nbsp;safely&nbsp;get&nbsp;two&nbsp;bytes&nbsp;---</span></div></li>
<li><div class="src-line"><a name="a350"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;this&nbsp;throws&nbsp;an&nbsp;exception&nbsp;if&nbsp;offset&nbsp;is&nbsp;out&nbsp;of&nbsp;range.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a351"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$o</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a352"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$o</span>+<span class="src-num">1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a353"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a354"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Translate&nbsp;the&nbsp;offset&nbsp;into&nbsp;an&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a355"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$o&nbsp;</span>+=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">start</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a356"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a357"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Return&nbsp;an&nbsp;unsigned&nbsp;short.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a358"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id"><a href="../PEL/PelConvert.html">PelConvert</a></span><span class="src-sym">::</span><a href="../PEL/PelConvert.html#methodbytesToShort">bytesToShort</a><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">data</span><span class="src-sym">,&nbsp;</span><span class="src-var">$o</span><span class="src-sym">,&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">order</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a359"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a360"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a361"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a362"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a363"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Return&nbsp;a&nbsp;signed&nbsp;short&nbsp;read&nbsp;from&nbsp;the&nbsp;data.</span></div></li>
<li><div class="src-line"><a name="a364"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a365"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">the&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;&nbsp;An&nbsp;offset&nbsp;of&nbsp;zero&nbsp;will</span></div></li>
<li><div class="src-line"><a name="a366"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;return&nbsp;the&nbsp;first&nbsp;short&nbsp;available&nbsp;in&nbsp;the&nbsp;current&nbsp;allowed&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a367"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;The&nbsp;last&nbsp;valid&nbsp;offset&nbsp;is&nbsp;equal&nbsp;to&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;getSize()}</span><span class="src-doc">-2.&nbsp;&nbsp;Invalid</span></div></li>
<li><div class="src-line"><a name="a368"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;offsets&nbsp;will&nbsp;result&nbsp;in&nbsp;a&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;PelDataWindowOffsetException}</span></div></li>
<li><div class="src-line"><a name="a369"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;being&nbsp;thrown.</span></div></li>
<li><div class="src-line"><a name="a370"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a371"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc">&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">&nbsp;the&nbsp;signed&nbsp;short&nbsp;found&nbsp;at&nbsp;offset.</span></div></li>
<li><div class="src-line"><a name="a372"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a373"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodgetSShort">getSShort</a><span class="src-sym">(</span><span class="src-var">$o&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a374"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Validate&nbsp;the&nbsp;offset+1&nbsp;to&nbsp;see&nbsp;if&nbsp;we&nbsp;can&nbsp;safely&nbsp;get&nbsp;two&nbsp;bytes&nbsp;---</span></div></li>
<li><div class="src-line"><a name="a375"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;this&nbsp;throws&nbsp;an&nbsp;exception&nbsp;if&nbsp;offset&nbsp;is&nbsp;out&nbsp;of&nbsp;range.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a376"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$o</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a377"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$o</span>+<span class="src-num">1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a378"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a379"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Translate&nbsp;the&nbsp;offset&nbsp;into&nbsp;an&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a380"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$o&nbsp;</span>+=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">start</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a381"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a382"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Return&nbsp;a&nbsp;signed&nbsp;short.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a383"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id"><a href="../PEL/PelConvert.html">PelConvert</a></span><span class="src-sym">::</span><a href="../PEL/PelConvert.html#methodbytesToSShort">bytesToSShort</a><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">data</span><span class="src-sym">,&nbsp;</span><span class="src-var">$o</span><span class="src-sym">,&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">order</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a384"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a385"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a386"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a387"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a388"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Return&nbsp;an&nbsp;unsigned&nbsp;long&nbsp;read&nbsp;from&nbsp;the&nbsp;data.</span></div></li>
<li><div class="src-line"><a name="a389"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a390"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">the&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;&nbsp;An&nbsp;offset&nbsp;of&nbsp;zero&nbsp;will</span></div></li>
<li><div class="src-line"><a name="a391"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;return&nbsp;the&nbsp;first&nbsp;long&nbsp;available&nbsp;in&nbsp;the&nbsp;current&nbsp;allowed&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a392"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;The&nbsp;last&nbsp;valid&nbsp;offset&nbsp;is&nbsp;equal&nbsp;to&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;getSize()}</span><span class="src-doc">-4.&nbsp;&nbsp;Invalid</span></div></li>
<li><div class="src-line"><a name="a393"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;offsets&nbsp;will&nbsp;result&nbsp;in&nbsp;a&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;PelDataWindowOffsetException}</span></div></li>
<li><div class="src-line"><a name="a394"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;being&nbsp;thrown.</span></div></li>
<li><div class="src-line"><a name="a395"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a396"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc">&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">&nbsp;the&nbsp;unsigned&nbsp;long&nbsp;found&nbsp;at&nbsp;offset.</span></div></li>
<li><div class="src-line"><a name="a397"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a398"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodgetLong">getLong</a><span class="src-sym">(</span><span class="src-var">$o&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a399"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Validate&nbsp;the&nbsp;offset+3&nbsp;to&nbsp;see&nbsp;if&nbsp;we&nbsp;can&nbsp;safely&nbsp;get&nbsp;four&nbsp;bytes</span></div></li>
<li><div class="src-line"><a name="a400"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;---&nbsp;this&nbsp;throws&nbsp;an&nbsp;exception&nbsp;if&nbsp;offset&nbsp;is&nbsp;out&nbsp;of&nbsp;range.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a401"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$o</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a402"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$o</span>+<span class="src-num">3</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a403"></a>&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a404"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Translate&nbsp;the&nbsp;offset&nbsp;into&nbsp;an&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a405"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$o&nbsp;</span>+=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">start</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a406"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a407"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Return&nbsp;an&nbsp;unsigned&nbsp;long.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a408"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id"><a href="../PEL/PelConvert.html">PelConvert</a></span><span class="src-sym">::</span><a href="../PEL/PelConvert.html#methodbytesToLong">bytesToLong</a><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">data</span><span class="src-sym">,&nbsp;</span><span class="src-var">$o</span><span class="src-sym">,&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">order</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a409"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a410"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a411"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a412"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a413"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Return&nbsp;a&nbsp;signed&nbsp;long&nbsp;read&nbsp;from&nbsp;the&nbsp;data.</span></div></li>
<li><div class="src-line"><a name="a414"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a415"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">the&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;&nbsp;An&nbsp;offset&nbsp;of&nbsp;zero&nbsp;will</span></div></li>
<li><div class="src-line"><a name="a416"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;return&nbsp;the&nbsp;first&nbsp;long&nbsp;available&nbsp;in&nbsp;the&nbsp;current&nbsp;allowed&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a417"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;The&nbsp;last&nbsp;valid&nbsp;offset&nbsp;is&nbsp;equal&nbsp;to&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;getSize()}</span><span class="src-doc">-4.&nbsp;&nbsp;Invalid</span></div></li>
<li><div class="src-line"><a name="a418"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;offsets&nbsp;will&nbsp;result&nbsp;in&nbsp;a&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;PelDataWindowOffsetException}</span></div></li>
<li><div class="src-line"><a name="a419"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;being&nbsp;thrown.</span></div></li>
<li><div class="src-line"><a name="a420"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a421"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc">&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">&nbsp;the&nbsp;signed&nbsp;long&nbsp;found&nbsp;at&nbsp;offset.</span></div></li>
<li><div class="src-line"><a name="a422"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a423"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodgetSLong">getSLong</a><span class="src-sym">(</span><span class="src-var">$o&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a424"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Validate&nbsp;the&nbsp;offset+3&nbsp;to&nbsp;see&nbsp;if&nbsp;we&nbsp;can&nbsp;safely&nbsp;get&nbsp;four&nbsp;bytes</span></div></li>
<li><div class="src-line"><a name="a425"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;---&nbsp;this&nbsp;throws&nbsp;an&nbsp;exception&nbsp;if&nbsp;offset&nbsp;is&nbsp;out&nbsp;of&nbsp;range.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a426"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$o</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a427"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$o</span>+<span class="src-num">3</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a428"></a>&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a429"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Translate&nbsp;the&nbsp;offset&nbsp;into&nbsp;an&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a430"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$o&nbsp;</span>+=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">start</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a431"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a432"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Return&nbsp;a&nbsp;signed&nbsp;long.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a433"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id"><a href="../PEL/PelConvert.html">PelConvert</a></span><span class="src-sym">::</span><a href="../PEL/PelConvert.html#methodbytesToSLong">bytesToSLong</a><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">data</span><span class="src-sym">,&nbsp;</span><span class="src-var">$o</span><span class="src-sym">,&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">order</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a434"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a435"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a436"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a437"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a438"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Return&nbsp;an&nbsp;unsigned&nbsp;rational&nbsp;read&nbsp;from&nbsp;the&nbsp;data.</span></div></li>
<li><div class="src-line"><a name="a439"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a440"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">the&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;&nbsp;An&nbsp;offset&nbsp;of&nbsp;zero&nbsp;will</span></div></li>
<li><div class="src-line"><a name="a441"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;return&nbsp;the&nbsp;first&nbsp;rational&nbsp;available&nbsp;in&nbsp;the&nbsp;current&nbsp;allowed</span></div></li>
<li><div class="src-line"><a name="a442"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;window.&nbsp;&nbsp;The&nbsp;last&nbsp;valid&nbsp;offset&nbsp;is&nbsp;equal&nbsp;to&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;getSize()}</span><span class="src-doc">-8.</span></div></li>
<li><div class="src-line"><a name="a443"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;Invalid&nbsp;offsets&nbsp;will&nbsp;result&nbsp;in&nbsp;a&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;}</span></div></li>
<li><div class="src-line"><a name="a444"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;PelDataWindowOffsetException}&nbsp;being&nbsp;thrown.</span></div></li>
<li><div class="src-line"><a name="a445"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a446"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">array&nbsp;</span><span class="src-doc">the&nbsp;unsigned&nbsp;rational&nbsp;found&nbsp;at&nbsp;offset.&nbsp;&nbsp;A&nbsp;rational</span></div></li>
<li><div class="src-line"><a name="a447"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;number&nbsp;is&nbsp;represented&nbsp;as&nbsp;an&nbsp;array&nbsp;of&nbsp;two&nbsp;numbers:&nbsp;the&nbsp;enumerator</span></div></li>
<li><div class="src-line"><a name="a448"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;and&nbsp;denominator.&nbsp;&nbsp;Both&nbsp;of&nbsp;these&nbsp;numbers&nbsp;will&nbsp;be&nbsp;unsigned&nbsp;longs.</span></div></li>
<li><div class="src-line"><a name="a449"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a450"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodgetRational">getRational</a><span class="src-sym">(</span><span class="src-var">$o&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a451"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-key">array</span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../PEL/PelDataWindow.html#methodgetLong">getLong</a><span class="src-sym">(</span><span class="src-var">$o</span><span class="src-sym">)</span><span class="src-sym">,&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../PEL/PelDataWindow.html#methodgetLong">getLong</a><span class="src-sym">(</span><span class="src-var">$o</span>+<span class="src-num">4</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a452"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a453"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a454"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a455"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a456"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Return&nbsp;a&nbsp;signed&nbsp;rational&nbsp;read&nbsp;from&nbsp;the&nbsp;data.</span></div></li>
<li><div class="src-line"><a name="a457"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a458"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">the&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;&nbsp;An&nbsp;offset&nbsp;of&nbsp;zero&nbsp;will</span></div></li>
<li><div class="src-line"><a name="a459"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;return&nbsp;the&nbsp;first&nbsp;rational&nbsp;available&nbsp;in&nbsp;the&nbsp;current&nbsp;allowed</span></div></li>
<li><div class="src-line"><a name="a460"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;window.&nbsp;&nbsp;The&nbsp;last&nbsp;valid&nbsp;offset&nbsp;is&nbsp;equal&nbsp;to&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;getSize()}</span><span class="src-doc">-8.</span></div></li>
<li><div class="src-line"><a name="a461"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;Invalid&nbsp;offsets&nbsp;will&nbsp;result&nbsp;in&nbsp;a&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;}</span></div></li>
<li><div class="src-line"><a name="a462"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;PelDataWindowOffsetException}&nbsp;being&nbsp;thrown.</span></div></li>
<li><div class="src-line"><a name="a463"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a464"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">array&nbsp;</span><span class="src-doc">the&nbsp;signed&nbsp;rational&nbsp;found&nbsp;at&nbsp;offset.&nbsp;&nbsp;A&nbsp;rational</span></div></li>
<li><div class="src-line"><a name="a465"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;number&nbsp;is&nbsp;represented&nbsp;as&nbsp;an&nbsp;array&nbsp;of&nbsp;two&nbsp;numbers:&nbsp;the&nbsp;enumerator</span></div></li>
<li><div class="src-line"><a name="a466"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;and&nbsp;denominator.&nbsp;&nbsp;Both&nbsp;of&nbsp;these&nbsp;numbers&nbsp;will&nbsp;be&nbsp;signed&nbsp;longs.</span></div></li>
<li><div class="src-line"><a name="a467"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a468"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodgetSRational">getSRational</a><span class="src-sym">(</span><span class="src-var">$o&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a469"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-key">array</span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../PEL/PelDataWindow.html#methodgetSLong">getSLong</a><span class="src-sym">(</span><span class="src-var">$o</span><span class="src-sym">)</span><span class="src-sym">,&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../PEL/PelDataWindow.html#methodgetSLong">getSLong</a><span class="src-sym">(</span><span class="src-var">$o</span>+<span class="src-num">4</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a470"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a471"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a472"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a473"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a474"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;String&nbsp;comparison&nbsp;on&nbsp;substrings.</span></div></li>
<li><div class="src-line"><a name="a475"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a476"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">int&nbsp;</span><span class="src-doc">the&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;&nbsp;An&nbsp;offset&nbsp;of&nbsp;zero&nbsp;will&nbsp;make</span></div></li>
<li><div class="src-line"><a name="a477"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;the&nbsp;comparison&nbsp;start&nbsp;with&nbsp;the&nbsp;very&nbsp;first&nbsp;byte&nbsp;available&nbsp;in&nbsp;the</span></div></li>
<li><div class="src-line"><a name="a478"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;window.&nbsp;&nbsp;The&nbsp;last&nbsp;valid&nbsp;offset&nbsp;is&nbsp;equal&nbsp;to&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;getSize()}</span></div></li>
<li><div class="src-line"><a name="a479"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;minus&nbsp;the&nbsp;length&nbsp;of&nbsp;the&nbsp;string.&nbsp;&nbsp;If&nbsp;the&nbsp;string&nbsp;is&nbsp;too&nbsp;long,&nbsp;then</span></div></li>
<li><div class="src-line"><a name="a480"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;a&nbsp;</span><span class="src-doc-inlinetag">{@link&nbsp;PelDataWindowOffsetException}</span><span class="src-doc">&nbsp;will&nbsp;be&nbsp;thrown.</span></div></li>
<li><div class="src-line"><a name="a481"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a482"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">the&nbsp;string&nbsp;to&nbsp;compare&nbsp;with.</span></div></li>
<li><div class="src-line"><a name="a483"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a484"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">boolean&nbsp;</span><span class="src-doc">true&nbsp;if&nbsp;the&nbsp;string&nbsp;given&nbsp;matches&nbsp;the&nbsp;data&nbsp;in&nbsp;the</span></div></li>
<li><div class="src-line"><a name="a485"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;window,&nbsp;at&nbsp;the&nbsp;specified&nbsp;offset,&nbsp;false&nbsp;otherwise.&nbsp;&nbsp;The&nbsp;comparison</span></div></li>
<li><div class="src-line"><a name="a486"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;will&nbsp;stop&nbsp;as&nbsp;soon&nbsp;as&nbsp;a&nbsp;mismatch&nbsp;if&nbsp;found.</span></div></li>
<li><div class="src-line"><a name="a487"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a488"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#methodstrcmp">strcmp</a><span class="src-sym">(</span><span class="src-var">$o</span><span class="src-sym">,&nbsp;</span><span class="src-var">$str</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a489"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Validate&nbsp;the&nbsp;offset&nbsp;of&nbsp;the&nbsp;final&nbsp;character&nbsp;we&nbsp;might&nbsp;have&nbsp;to</span></div></li>
<li><div class="src-line"><a name="a490"></a><span class="src-comm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;check.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a491"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$s&nbsp;</span>=&nbsp;<a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$str</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a492"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$o</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a493"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">validateOffset</span><span class="src-sym">(</span><span class="src-var">$o&nbsp;</span>+&nbsp;<span class="src-var">$s&nbsp;</span>-&nbsp;<span class="src-num">1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a494"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a495"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Translate&nbsp;the&nbsp;offset&nbsp;into&nbsp;an&nbsp;offset&nbsp;into&nbsp;the&nbsp;data.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a496"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$o&nbsp;</span>+=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">start</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a497"></a>&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a498"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;Check&nbsp;each&nbsp;character,&nbsp;return&nbsp;as&nbsp;soon&nbsp;as&nbsp;the&nbsp;answer&nbsp;is&nbsp;known.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a499"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">for&nbsp;</span><span class="src-sym">(</span><span class="src-var">$i&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">;&nbsp;</span><span class="src-var">$i&nbsp;</span>&lt;&nbsp;<span class="src-var">$s</span><span class="src-sym">;&nbsp;</span><span class="src-var">$i</span>++<span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a500"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-var">data</span><span class="src-sym">{</span><span class="src-var">$o&nbsp;</span>+&nbsp;<span class="src-var">$i</span><span class="src-sym">}&nbsp;</span>!=&nbsp;<span class="src-var">$str</span><span class="src-sym">{</span><span class="src-var">$i</span><span class="src-sym">}</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a501"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">false</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a502"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a503"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a504"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">/*&nbsp;All&nbsp;characters&nbsp;matches&nbsp;each&nbsp;other,&nbsp;return&nbsp;true.&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a505"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id">true</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a506"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a507"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a508"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a509"></a>&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a510"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;Return&nbsp;a&nbsp;string&nbsp;representation&nbsp;of&nbsp;the&nbsp;data&nbsp;window.</span></div></li>
<li><div class="src-line"><a name="a511"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a512"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">a&nbsp;description&nbsp;of&nbsp;the&nbsp;window&nbsp;with&nbsp;information&nbsp;about</span></div></li>
<li><div class="src-line"><a name="a513"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;the&nbsp;number&nbsp;of&nbsp;bytes&nbsp;accessible,&nbsp;the&nbsp;total&nbsp;number&nbsp;of&nbsp;bytes,&nbsp;and</span></div></li>
<li><div class="src-line"><a name="a514"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;the&nbsp;window&nbsp;start&nbsp;and&nbsp;stop.</span></div></li>
<li><div class="src-line"><a name="a515"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a516"></a>&nbsp;&nbsp;<span class="src-key">function&nbsp;</span><a href="../PEL/PelDataWindow.html#method__toString">__toString</a><span class="src-sym">(</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a517"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-id"><a href="../PEL/Pel.html">Pel</a></span><span class="src-sym">::</span><a href="../PEL/Pel.html#methodfmt">fmt</a><span class="src-sym">(</span><span class="src-str">'DataWindow:&nbsp;%d&nbsp;bytes&nbsp;in&nbsp;[%d,&nbsp;%d]&nbsp;of&nbsp;%d&nbsp;bytes'</span><span class="src-sym">,</span></div></li>
<li><div class="src-line"><a name="a518"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">size</span><span class="src-sym">,</span></div></li>
<li><div class="src-line"><a name="a519"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">start</span><span class="src-sym">,&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">start&nbsp;</span>+&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">size</span><span class="src-sym">,</span></div></li>
<li><div class="src-line"><a name="a520"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="http://www.php.net/strlen">strlen</a><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">data</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a521"></a>&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a522"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a523"></a><span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a524"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a525"></a><span class="src-php">?&gt;</span></div></li>
</ol></div>
</div>
	<p class="notes" id="credit">
		Documentation generated on Tue, 19 Dec 2006 01:08:17 +0100 by <a href="http://www.phpdoc.org" target="_blank">phpDocumentor 1.3.0</a>
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